♡♡♡please help ♡♡♡
thank you

Answer:
acute angle
Step-by-step explanation:
an obtuse angle is an angle which is more than 90° but less than 180°
a right angle is 90°
a straight angle is 180°
an acute angle is less than 90°
is you look at the picture and the definitions you can notice that the angle is less than 90 ° hence its an acute angle